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    Harvard/Stickney Jr Model

    I run my open crank railway trolley engine on 2 stroke fuel and the oiler is only a dummy, sorry have no pictures of it on this device. The original engine is 2 cylinder Fairbanks Morse of 1880s design, the model has 34mm pistons, all the patterns and castings we did ourselves, it is powerful...
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    Thumper--a 1 3/8" bore i.c. engine

    I would make the fan blades a little over size, weld them into the hubs, then turn the outside diameter to a snug fit for the outer rim. I've had a little experience with fan blades, they need to be curved like the top of an airplane wing to work really efficiently but that may not be needed in...
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